WELL HEAD CASING SUSPENSION,申请号CAD851516-传众专利搜索

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发明名称	WELL HEAD CASING SUSPENSION
摘要
申请公布号	CA851516(A)	申请公布日期	1970.09.15
申请号	CAD851516	申请日期
申请人	CAMERON IRON WORKS	发明人	BOBBY H. NELSON;LEONARD E. WILLIAMS
分类号		主分类号
代理机构		代理人
主权项
地址

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